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 * or without modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions in binary form, except as embedded into a Nordic
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 *    such product, must reproduce the above copyright notice, this list of
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 *    materials provided with the distribution.
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 * 2. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 3. This software, with or without modification, must only be used with a Nordic
 *    Semiconductor ASA integrated circuit.
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 * 4. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
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 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS OR
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import React, { useRef, useEffect } from 'react';
import PropTypes from 'prop-types';
import { Iterable } from 'immutable';
import LogHeaderContainer from '../containers/LogHeaderContainer';
import LogEntry from './LogEntry';
import { decorate } from '../../decoration';

const DecoratedLogEntry = decorate(LogEntry, 'LogEntry');

const LogViewer = ({
    logEntries, autoScroll, onMount, cssClass,
}) => {
    const logContainer = useRef(null);

    useEffect(() => {
        if (autoScroll && logContainer.current.lastChild) {
            logContainer.current.lastChild.scrollIntoView();
        }
    });
    useEffect(onMount, [onMount]);

    return (
        <div className={cssClass}>
            <LogHeaderContainer />
            <div ref={logContainer} className="core-infinite-log">
                {logEntries.map(entry => <DecoratedLogEntry {...{ entry }} key={entry.id} />)}
            </div>
        </div>
    );
};

LogViewer.propTypes = {
    onMount: PropTypes.func,
    logEntries: PropTypes.oneOfType([
        PropTypes.instanceOf(Array),
        PropTypes.instanceOf(Iterable),
    ]).isRequired,
    autoScroll: PropTypes.bool.isRequired,
    cssClass: PropTypes.string,
};

LogViewer.defaultProps = {
    onMount: null,
    cssClass: 'core-log-viewer',
};

export default LogViewer;
